Error #ORA-00600 ask FOR HELP

[edenchen]

Any idea on what cause the following error, and how to fix it?
SQL> startup open pfile=/in/db/system/init_iss.ora ;
ORACLE instance started.

Total System Global Area 5312976 bytes
Fixed Size 86480 bytes
Variable Size 4874240 bytes
Database Buffers 204800 bytes
Redo Buffers 147456 bytes
Database mounted.
ORA-00600: internal error code, arguments: [3051], [82], [73], [], [], [], [],
[]
ORA-00600: internal error code, arguments: [733], [8388688], [pga heap], [],
[], [], [], []